Charli XCX takes over the stage with Iggy Azalea at the iHeartRadio Jingle Ball 2014, hosted by Z100 New York and presented by Goldfish Puffs at Madison Square Garden on Friday night (December 12) in New York City.

The duo performed their hit song “Fancy” before the 22-year-old singer came back later for her full set, where she donned her “Sucker” cheer uniform.